Ball holder



FIG. 1 is a top perspective view of a ball holder showing my design;

FIG. 2 is a bottom perspective view thereof, shown in broken lines;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof, shown in broken lines;

FIG. 5 is a right side view thereof, which is a mirror image of the left side view;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The bottom views are shown in broken lines as not being a part of the claimed design. 

The ornamental design for a ball holder, as shown and described. 